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Finding the Fourth Proportional to 36,758.77, 50,727.14 and 19,991.77

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Solution

The fourth proportional to 36,758.77, 50,727.14 and 19,991.77 is: 27,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,758.77 : 50,727.14 = 19,991.77 : x
  2. Step 2: Convert to fraction form
    36,758.77/50,727.14 = 19,991.77/x
  3. Step 3: Cross multiply
    36,758.77x = 50,727.14 × 19,991.77
  4. Step 4: Simplify right side
    36,758.77x = 1,014,125,315.64
  5. Step 5: Solve for x
    x = 1,014,125,315.64/36,758.77
  6. Step 6: Final answer
    x = 27,588.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.